This article is from the Toys FAQ, by scottg10@ix.netcom.com (Scott Gordon) with numerous contributions by others.
From the rec.arts.sf.starwars.collecting FAQ:
"MIB = mint in box. A toy is MIB if the toy inside is mint. MIB
says that the box is, well, a box. MIB says nothing about box
condition, an important aspect of value."
 
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